Acetylene-gas generator.



No.739,426. PATENTED SEW-22,1903..- c. M. KEMP.

AGBTYLENE GAS GENERATOR,

APPLICATION" FILED JUNE 23, 1902. a no monnn. 2 sums-sum 1-.

No'. 739,426. PATENTED SEPT. 22, 1903.

G. M. KEMP.

- AGETYLENE GAS GENERATOR. APPLICATION-FILED mm 2a, 1002.

no monnp. I 2 SHBETS-SHBET 2.

UNITED STATES Y latented septe l PATENT I ()EEIcE.

CLARENCE lvL-KEMP, or BALTIMORE, MARYLAND.

ACETYLENE-GAS GENERATOR.

EEEGIFICATION forming part of Letters Patent No. 739,426, dated September 22, 1903'.

Application filed June 23, 1902.

To all whom, it may concern.-

Be it known that I, CLARENCE M. KEMP, a citizen of the United States, residin g at Baltimore, in the State of Maryland, have invented new and useful Improvements in Acetylene- Gas Generators, of which the following is a specification. V

' This invention relates to acetylenegas generators, and has for its object to provide a generator of the class described so constructed that the carbid may be fed to the generatingchamber and the refuse lime removed therefrom without opening said chamber, whereby gas is prevented fromescaping from the generating-chamber and air from gaining'access thereto.

It has for a further object to provide novel means for feeding carbid to and removing the refuselime from said chamber automatically.

It-also has for its object to provide novel means, actuated by the movement of the gasholder, for operating said automatic mechanism. 4

Finally, it has for its object to improve and simplify the construction and render more eificient, safe, and satisfactory the operation of this class of machines generally.

To these ends my invention consists in the features and in the construction, combination, and arrangement of parts hereinafter described, and particularly pointed outin the claims following the description, reference being had to the accompanying drawings, forming a part of this specification, wherein- Figure 1 is a vertical side elevation of my improved gas-generating apparatus, the gas-. ometer being shown in section. Fig. 2 is a central vertical sectional View of the generating apparatus. Fig.3 is a top plan view of the generating-chamber. Fig. 4 is a view in side elevation,'partly in section, of the hood, showing two of the carriers. Fig. 5 is a top plan view of the hood, 'Fig. 6 is a detail per spective view of one of the carriers and the rod by'which it is carried, and Fig. 7 is a similar view showing the carrier and carbidreoeptacle in section.

Referring. to the drawings, the numeral 1 indicates a gasometer adapted to contain the gas, and, as usual, consisting of a tank 2, in

i which is arranged a vertically-movable dome, or bell 3, whichis sealed by a liquid in the overhead support 12.

Serial No. 112,767. (No model.)

tank. The gas-generatin g chamber comprises a cylindrical vessel 5, open at its upper end and having disposed therein an inverted cupshaped hood or bell 6', said hood being of less diameter than the casing 5 and closed at itsupper end. A suitable liquid-such as water,

eter. A pipe 8 leads from the gas-space in the top of. the hood to the corresponding space in the gasometer, and a pipe 9 leads from the gasometer to the point or points of consump tion.

' The hood 6 is provided centrally with an open sleeve 10, which extends through the upper closed end of said hood and is rotatably arranged on a vertical shaft 11, which extendsfroin the bottom of the tank 5 up to a suitable sleeve 10 rests on a collar 13, secured to the 1 shaft 11 by a set-screw 14, and a similar collar 15 is fixed on the shaft by a set-screw 16 The lower end of the.

' viously to its being conducted to the gasomv i above the upper end of the said sleeve and operates-t0 prevent the gas from raising the hood. A coiled spring 17 is arranged on the shaft 11 and is secured at one end to the top of the hood and at its opposite end to a collar 18, fixed on the shaft by a set-screw 19, said,

spring operating'to move the hood for a lim ited distance in the direction of the hands of a watch for the purpose hereinafter made clear. Arranged on the shaftll is a sleeve or hollow shaft 20, that rotatably rests at its lower end on the collar 18 and has fixed on its upper end a beveled gear-wheel 21. A boss 22 is fixed on the rod 11 above said-gearwheel and is provided with twofixed and oppositely-extending shafts 22 and 23. Freely rotatable on the shaft 22 is a beveled gearwheel 24, which gears With-the beveled gearwheel 21, and the gearwheel 24 is provided on its outer face with a ratchetwheel 25.

Rotatably arranged on the shaft 22 adjacent to said ratchet-wheel is a disk 26, carrying a gravity-pawl 2'7, and rigidly fixed to said disk is an arm 28, the free end of .which passes between rollers 29, carried by a standard fixed to and movable with the bell 3 of the gasometer. It will be apparent that as the bell 3 rises thelever 28 will turn the disk 26 and cause the pawl 27 to slide idly about the ratchetwheel 25, and when the gas in the gasometer falls the bell will drop, drawing down with it the lever 23, and said lever and pawl will then rotate the ratchet-wheel and will, through the medium of the gears 24 and 21, rotate the sleeve for the purpose presently to be described. On the lower end of said sleeve is fixed a horizontal wheel 30, provided with a vertical annular rim In the periphery of said wheel are formed a plurality of square apertures 32, in each of which is fitted arectangular lug 32, formed on the lower end of a substantially U-shaped carrier-frame 33, which is pr vided at its upper end with two pendent lugs 34, which fit over the upper edge of the rim 31 and may be secured to the latter by a set-screw or the like. Passing vertically through square apertures formed in each of the carrier-frames is a rod 35, square in cross-section, whereby it is prevented from turning in the carrier-frame. At a suitable point on said rod is fixed, by means of a setscrew,a collar 36,which when the rod descends will strike the upper end of the carrier-frame and limit the downward movement of said rod. Supported on the said collar is a weight or weights 37, that operates to promptly cause the rod to drop when the latter is released. Fixed on the rod is a bifurcated lug 38, in which is pivotally mounted one end of a horizontal swinging bracket-arm 39, provided at its free end with a bracket or carrier 40, and clamped thereon by any suitable or preferred means is a carbid-receptacle 40, consisting of a can of any suitable shape and closed at its upper end by a paper cover or any other suitable cover which will become pervious to water upon being submerged in the latter. A spring 41 is coiled around the bracket-arm 39 and is fixed at one end to the rod 35, the arrangement being such that said spring will operate to swing said arm and its carbid-carrier forward. On the lower end of the rod 35 is fixed a small wheel 42, which is adapted to travel on a partially annular track 43, fixed to the inner side of the generating-tank 5. The hood 6 has formed in its vertical sides two vertical grooves or recesses 44 and 45, the recess 44 being of only a sufficient width to permit of the downward passage therethrough of one of the carbid-carriers, whereas the recess 45 is of considerably greater width, as clearly shown in the drawings.- The said recesses do not communicate with the interior of the hood, the vertical wall of the hood being continuous and bounding said recesses. A 'roller4ii is journaled in a bracket 47, fixed on top of the hoodto the right of the recess 44 and immediately adjacent to the latter. The lower edge of the wall of the recess 44 is cut away at apoint direetlybeneath the roller 46, the aperture 48 thus formed being of a size sufiicient for the passage therethrough of a carbid carrier and receptacle. In the opmay;

posite side of the recess 48 is formed a wedgeshaped pocket 49, and in said pocket is adapted to seat a correspondingly-shaped block or buffer 49, hinged at its upper and smaller end to the hood, as at 50. A coiled spring 51 is arranged in the pocket behind the buffer 49 and operates to project the latter slightly forward into the recess 46. Arranged within the hood in proximity to the aperture 43 is a swinging weight 52, pivoted at its upper end to the side of the hood and provided at its lower end with a sharp cutting edge or penetrating portion 53, the arrangement being such that as the carbid-receptacle passes beneath saidpenetrating device it swings the latter up and the weight of the same is suflicient to cause its cutting edge 53 to cut through the paper covering of the carbid-receptacle and admit water thereto in addition to the water that would permeate said paper covering. It will of course be understood that there will be provided a plurality of carrier frames, rods, and carbidcarriers and that they will be arranged at uniform intervals 011 the carrier-wheel 30. Let it be as sumed that the gasometer is full and that gas is being consumed. Then as the gasometerbell descends with the consumption of gas the lever 28 will be drawn down and will turn the disk 26 and cause the pawl 27 to turn the ratchet-wheel and the gears 24 and 21, and thus impart a partial rotation to the sleeve 20 and carrier-whecl 30. One of the carriers 40 as it revolves with the carrierwheel will engage the roller 46 and will cause the hood 6 to turn with it against the action of the spring 17. In moving the hood against the action of its spring, however, the

racket-arm 39 is deflectedrearward against the action of the spring 41 as far as it is capable of moving. Vhen the roller .42, carried by the rod 35, passes from off the track 43, the rod will drop by gravity until its downward movement is arrested by the collar 36 abutting the upper end of the carrier-frame As the rod drops the carrier and its attached carbid receptacle drops with it through the vertical recess 44. As the carrier drops it contacts with the face of the buffer 49 and thrusts the latter to one side; but the buiier recedes slowly, owing to the fact that the water can escape but slowly from the pocket 49, so that the carrier and its receptacle is dropped gently. hen the carrier and receptacle arrive opposite the aperture 48, the spring 41 immediately swings the bracket-arm 39 forward and moves the carrier and the receptacle through said aperture into the hood. At the same time, the hood being no longer restrained, the spring 17 operates to move the hood in the opposite direction, thus causing the carrier and receptacle to be still further advanced into the hood. As the carbid-receptacle passes under the weight 53 the latter punctures the top of the receptacle, so that Water is instantly admitted to the carbid and the generation of gas immediately com- IIO ihences. As the bellof the gasometer rises under the the influence of the freshly-generated gas'the lever-28 is raised and turns the lime, so that the water in the chamber never from the machine.

I disk 26, the pawl riding idly about the ratchetwheel-25 in readiness to again rotate the gearwheels when the'gasometer-bell again descends. The above operation takes place every time the gasometer-bell drops owing to I an insufficient supply of gas.-

As the carriers and receptacles are moved around in the mannerdescribed they finally emerge from the hood through an aperture 48, similar to the aperture 48, and pass into the recess 45, from which they may be lifted by raising up the rods 35 by hand,-and by detaching thecarrierframes from the rim 31 of the carrier-wheel 30 they may be entirely detached and removed \Vhen the receptacles are removed from the generating-chamber, they carry with them the sludge or refuse becomes foul. Instead of removing the carriers and receptacles from the generatingchamber by hand, however, I prefer to remove them automatically in the following manner: I provide the, track 43 with a downwardly-inclined extension 43 which extends .in front of the recess 45, its lowermost end being so disposed that as a carrier emerges from the hood the roller 42 of its rod passes onto the inclined portion ofthe track, and as it continues to move around the carrier-,yvheel rides upon'said inclined track and is finally lifted clear of the generating-tank; The carbid-receptacle may afterward be removed by hand and a fresh one substituted.

With a View to reducingto a minimum the power necessary to operate the device I prefer to provide the following auxiliary mechanism. Rotatably mounted on the shaft 23 is a bevel gear-Wheel 54, that gears with the gear-wheel 21 before described. Formed with or fixed to the gear-wheel 54 is a ratchet-wheel 55. Also loosely mounted on theshaft 23 is 'a drum 56, provided at its inner end with a flange 57, provided with a projecting pin 58,

on which is journaled a gravity-pawl 59,'that.

engages the ratchet-wheel '55. A cord is attached to the drum 56 and passes over an overhead-pulley 61 and has suspended from its free'end a weight 62; To'the drum 56 is fixed a crank-handle 63; By turning the crank-handle in the proper direction the cord maybe wound about the drum, elevating the weight.

During such operation the pawl 59 slides idly'about the ratchet-wheel'55. The tendency of the weight, through the medium of the drum, ratchet, and gearing, is toturn the carrier-wheel in a direction to feed the carbidreceptacles to the generatingchamber in the manner before described; but in practice the weight is so proportioned that of itself it will not be quite sufficientto move the carrier-Wheel. When, however, the gasometer-bell falls and through the medium .of the mechanism before describedturns .the carrier-wheel, the cord, weight, and drum mechanism will perform the greater parltfof' the work of turning-the said Wheel, thus, rendering the mechanism quick to respondto the movements of the. bell. Preferably the hood 6 of the diaphragm is provided with one or more foraminous partitions 65, which operate to finely divide the gas to cool and purify it.

By means of my improved apparatusthe carbid is'fed to the generating chamber without opening the latter, and hence no gas is permitted to escape or air to enter. Further -more,'the refuse lime or sludge is removed cause the carbid-receptacle to be introduced within the hood. 7 v

2. In an acetylene-gas generator, the combination with a generating-chamber comprising a tank and an axially-rotatable hood partially submerged therein, of a carbid-carrier carrying a carbid-receptacle, means for lowering said carrier and receptacle into the tank below the lower edge of the hood, said carrier acting to rotate the hood axially to causethe carbid-receptacle to be introduced within-the hood, and means for removing said carrier and receptacle from within the hood and from thewater in which the hood'is submerged.

3. In an acetylene-gas generator, the co1nbination with a generating-chamber comprising a tank and an axially-rotatable hood partially submerged therein, of a series of vertical rods adapted tobe successively lowered into the tank below the lower edge of the hood, carriersmounted' onsaid rods and carrying carbid-receptacles, means for holding the rods elevated, and means operated by the downward movement of the rods for rotatiugsthe hood axially to bring the latter over the'carbid-receptacles after they are lowered into the tank." if? 4. 'In an acetylene-gas generator, the combination with a tank and a hood partially submerged in a liquid therein, of a rotatable support arranged above the hood, aseries of-carriers suspended from said support and each carrying a carbid-receptacle, means for imparting an intermittent rotary movement to said' support, and means for successively introducingthe carrier and carbid-receptacles into the tankand-beneath:the1hood.; 4 j

- 5. Inanacetylen'e-gas generator, thecombination with a generating-chamber compris inga tank and a hood partiallysubmerged in a fluid contained in the :tank', of ia'iseri'es of carbid-hol ders each earryin g a carbid-receptacle, means for successively introducing the carriers and receptacles beneath the lower edge of the hood, and a weight pivoted to the inner side of the hood adjacent to the point where the receptacles are introduced, said weight having a cutting edge at its free end which operates to puncture the carbid-receptacles when the latter are forced under the weight, substantially as described.

6. In an acetylene-generator, the combination with a generating-chamber comprising a tank and a hood partially submerged in a fluid contained in the tank, said hood having a vertical recess formed in its side, of a series of carriers each carrying a carbid-receptacle, and means for successively dropping said carriers down said recess and introducing them beneath the lower edge of the hood, substantially as described.

.7. In an acetylenegenerator, the combination with a generating-chamber comprising a tank and a hood partially submerged in a fluid contained in the tank, said hood having a vertical recess formed in its side, of a series of carriers each carrying a carbid-receptacle, means for successively dropping said carriers down said recess and introducing them beneath the lower edge of the hood, and means for retarding the passage of the carriers through the recess,substantially as described.

8. In an acetyleneg'eneratoi', the combination with a generating-ehamber comprising a tank and a hood partially submerged in a fluid contained in the tank, said hood having a verticle recess formed in its side, and the lower edge of the hood at one side of the recess being cut away to form an aperture for the introduction of the receptacles, of a series of carriers each carrying a carbid-receptacle, and means for successively dropping said carriers down said receptacle and for introducing them into the hood through said aperture, substantially as described.

9. I11 an acetylene-generator, the combination with a generating-chamber comprising a tank and a hood partially submerged in a fluid contained in the tank, said hood having a vertical recess formed in its side and the lower edge of the hood on one side of the recess being cut away to form an aperture for the introduction of the carbid-reeeptacles, of a series of carriers each carrying a carbidreceptacle, means for successively dropping said carriers down said recess and for introducing them into the hood through said aperture, the hood being also provided with a relatively wide vertical recess in its side opposite to the first-mentioned recess and cut away at its lower edge at one side of said wide recess to form an aperture for the egress of the receptacles, subtantially as described.

10. In an acetylene-gas generator, the combination with a generating-chamber comprising a tank and a hood partially submerged in a fluid contained in the tank, said hood having a vertical recess formed in its side and the lower edge of the hood on one side of the recess being cut away to form an aperature for the introduction of the carbid-receptacles, of a series of carriers each carrying a carbid-receptacle, means for successively dropping said carriers down said recess and for introducing them into the hood through said aperture, said hood being also provided with a relatively wide vertical recess in its side opposite to the first-mentioned recess and cut away at its lower edge at one side of said wide recess to form an aperture for the egress of the receptacles into the wide recess, and means for automatically withdrawing the receptacles from the tank, substantially as described.

11. In an acetylene-gas generator, the combination witha generating-chamber comprising a tank and ahood partially submerged in a liquid contained in said tank, said hood being provided on its opposite sides with vertical recesses, of means for introducing a charge of carbid through one of said recesses under the lower edge of the hood, and means for withdrawing the spent charge through the other of said recesses, substantially as de-. scribed.

12. In an acetylene-gas generator, the combination with a generating-chamber comprising a tank and a hood partially submerged in a liquid contained in said tank, said hood being provided on its opposite sides with vertical recesses, of means for introducing a charge of carbid into said chamber through one of said recesses and under the lower edge of the hood, means for automatically conveying said charge of carbid to the other of said recesses, and means for automatically withdrawing the spent charge from said lastnamed recess substantially as described.

13. In an acetylene-gas generator, the combination with a generating-chambercomprising a tank and a hood partially submerged in a liquid therein, said hood being provided on its opposite sides with vertical recesses and one wall of each of said recesses being cut away at its lower edge, a series of carriers each adapted to carry areceptacle filled with carbid, means for periodically dropping one of said carriers with its receptacle through one of said recesses and introducing it into the hood through said cut-away portion, means for conveying the carrier and its receptacle to the other of said recesses and means for withdrawing the same from said last-mentioned recess, substantially as dcscribed.

14. In an acetylene-gas generator, the combination with a generating-chamber comprising a tank, of a hood partially submerged in a liquid contained in said tank, said hood being provided on its opposite sides with vertical recesses, a segment-shaped track at tached to the inner side of said tank, aseries of vertical rods each provided at its lower end with a roller arranged to travel onsaid track, a carrier attached to each of said rods and constructed to hold a carbid receptacle,

means for moving said rods around on the track, the arrangement being such that when the rods move from off the track the carriers and their receptacles will drop down through one of said recesses, means for imparting to said carriers lateral movement to move them under the edge of the hood, and means for withdrawing the carriers from the other of said recesses, substantially as described.

15. In an acetylene-gas generator, the combination with a generating-chamber comprising a tank and a hood partially submerged in a liquid contained therein, said hood being provided on its opposite sides with vertical recesses, of a segment-shaped track fixed to the inner side of the tank, a series of rods each provided at its lower end with a roller and arranged to travel on said track, a lateral swinging bracket-arm carried by each of said rods and provided withmeans for holding a carbid-receptacle, a spring arranged to swing said bracket-arm in direction in-which it travels, an abutment, arrangedon the hood adjacent to one of the described recesses, and means for moving said rods about the, hood,

the arrangement being such that when one of the rods drops ofi the track the bracket-arm withthe. carbid-receptacle will drop through one of said recesses and will be swung by said spring under the lower edge'of the hood, sub

stantially as described.

16,. In an acetylene-gas generator, thecombination with a generating-chamber comprising a'tank and a hood partially snbmergedon said. track, means for moving said rods on said track about the hood, laterally-swinging bracket-arms carried byv said rodsand each provided with a carrier'for holding a carbidreceptacle, springs for swinging said arms in the direction in which they travel, and means for limiting the downward movement of said rods when they pass from oflf the track, 'the carriers and their receptacles beingarranged to drop down through one of saidrecesses fixedto the inner sideof said. tank and terminating opposite one of said recesses, a series of vertical rods each provided with a roller resting on said track, means for moving said rods on said track about-the hood, laterally-swinging bracket-arms carried by said rods and each provided with a carrier for holding a carbid-receptacle,:springsfor swinging said arms in the direction in which'they travel, means for turning the hood in the opposite direction, and an abutment arranged ontop of the hood in proximity to one of said recesses, substantially as and for the purpose specified.

bination with a tank and arotatable hoodpartially submerged in a liquid therein, said hood 18. In an acetylene-gas generator, the com- I being provided on its side witha vertical recess, and on its top in proximity to said recess with a roller, of a segment-shaped trackfixed to the innerside of said tank and terminating at one end opposite said recess, a series of vertical rods each provided with a roller resting on said track, means for movingsaid'rods'on the track about the hood, laterally-swinging bracket-arms carried by said rods and each provided with a carrier for holding a carbidreceptacle, springs. for swinging said arms in the direction in which they travel and a spring turning the hood in the opposite direction, substantially as and for the purpose specified.

19. In an acetylene-gas generator, thecombination with a tank and arotatable hood partially submerged in a liquid contained'therer in, saidhood being provided with a vertical recess on one side and on its top in proximity to said recess with a roller, Ofat segment.- shaped track fixed to the inner side of the tank and terminating at one end opposite said recess, a series of vertical rods arranged to riers and carbid-receptacles-from thetank,

substantially as and for thepurpose specified. .20., In an acetylene-gas generator, the combination with a tank and a hood-partially submerged in a liquid therein, said hood being provided with avertical recess on one side, of a series of carriers each constructed to hold a carbid-receptacle, means controlled, by theconsumption of gas for periodically dropping a carrier and its receptacle through saidrecess into the tank beneath the ,hood, apocket formed in one side \ofsaid recess, an inverted wedge-shaped buffer pivoted at itsupper end and normally projecting from said pocket into the recess, and a spring arranged to project the buffer into the recess, substantially as and for the purpose specified.

21. In an acetylene-gas generator, the combination with a tank and a hood partially submerged in a liquid therein, said hoodbeing provided with a vertical recess on one side, of a series of carriers each constructed to hold a ,carbid receptacle, means for periodically dropping a carrier and its receptacle through said recess into the tank beneath the hood,

anda weight having a,pointedlower end,

upper ends of the carbid-receptacles and puncture them, substantially as described.

22. In an acetylene-gas generator, the combination with a tank and a hood partially submerged in a liquid contained therein, said hood being provided on its opposite sides with vertical recesses, of a segment-shaped track fixed to the inner side of said tank and terminating at one end opposite one of said recesses and provided at its opposite end with a downwardly-inclined portion disposed opposite the other recess, a series of vertical rods arranged to travel at their lower ends on said track, means for moving the rods on the track about the hood, carriers mounted on the rods and carrying carbid-receptacles, said rods as they successively pass from off the track operatin g to drop the carriers through one of said recesses into the tank beneath the hood and from the latter into the other recess, and said inclined portion of the track operating to raise the rods and carriers up through the last-named recess, substantially as described.

23. In an acetylene-generator, the combination with a tank and a hood partially submerged in a liquid therein, said. hood being provided on its side with avertical recess, of a carrier-wheel arranged above the hood, a series of carriers suspended from said wheel and each carrying a carbid-receptacle, means for imparting to the carrier -wheel an intermittent rotary movement, and means arranged, whenever one of said carriers registers with said recess, to drop said carrier down the recess and beneath the hood, substantially as and for the purpose specified.

2a. In an acetylene-gas generator, the combination with a tank and a hood partially submerged in a liquid therein, said hood being provided on its side with a vertical recess, of a carrier-wheel arranged above the hood, a series of carriers removably suspended from said wheel and each carrying a carbid-receptacle, means for imparting to the carrierwheel an intermittent rotary movement, means arranged, whenever one of said carriers registers with said recess, to drop said carrier down the recess and beneath the hood, and means for detaching the carriers from the carrier-wheel to remove the carriers and their receptacles from the tank, substantially as and for the purpose specified.

25. In an acetylene-gas generator, the combination with a generating-chamber provided with a carbid inlet and outlet, of a carrier wheel arranged above said chamber, a series of vertical rods movable with said wheel and each provided with a carrier carrying a carbid-receptacle, a segment-shaped track on which the lowerends of the rods are arranged to travel, and means for imparting an intermittent rotary movement to the carrier-wheel, the arrangement being such that when a rodpasses from off the track its carrieris dropped through the carbid-inlet and finally is moved into the outlet, substantially as described.

26. In an acetylene-gas generator, the com- 6 means bination with a generati r g-chamber provided with a carbid inlet and outlet, of a carrierwheel arranged above said chamber, a series of vertical rods movable with said wheel and each provided with a carrier carrying a carbid-receptacle, a segment-shaped track on which the lower ends of said rods are arranged to travel, meansfor imparting an intermittent rotary movement to the carrierwheel, the arrangement being such that when a rod passes from off the track its carrier is dropped through the carbid-inlet and is finally moved into the outlet, and means for automatically raising the carrier in the outlet and out of the liquid, substantially as described.

27. In an acetylene-gas generator, the combination with a generating-chamber provided with a carbid inlet and outlet, of a carrierwheel arranged above said chamber,a series of vertical rods movable with said wheel and each provided with a carrier carrying a carbid-receptacle, a segment-shaped track on which the lower ends of the rods are arranged to travel, a gasometer in communication with the generating-chamber and means actuated by the falling movement of the gasometerbell for imparting an intermittent rotary movement to the carrier-wheel, the arrangement being such that when arod moves from oif the track its carrier is dropped into the carbid-inlet and is finally moved into the outlet, substantially as described.

28. In an acetylene-gas generator, the combination with a generating-ch amber provided with a carbid inlet and outlet, of a carrien wheel arranged above said chamber, a series of vertical rods movable with said wheel and each provided with a carrier carrying a carbid-receptacle, a segment-shaped track on whichthe lower ends of the rods are arranged to travel, a gasometer in communication with the generating-chamber, an oscillating lever movable with the bell of the gasometer, and gearing for connecting said bell with the carrier-wheel and operating to impart a partial rotary movement to said wheel whenever the bell drops, substantially as described.

29. In an acetylene-gas generator, the combination with a generating-chamber provided with a carbid inlet and outlet, of a carrierwheel arranged above said chamber, a series of vertical rods movable with said wheel and each provided with a carrier carrying a carbid-receptacle, a segment-shaped track on which the lower ends of the rods are arranged to travel, a gasometer in communication with the generating-chamber, a shaft revoluble with the carrier-wheel, a gear fixed on said shaft, a counter-shaft, a gear rotatable on the counter -shaft and gearing with the first named gear, a ratchet-wheel movable with the gearon the counter-shaft, a rotatable disk carrying a pawl engaging the ratchet-wheel, and a lever fixed at one end to said disk and connected at its other end with the gasoineterbell, substantially as and for the purpose specified.

30. In an acetylene-gas generator, the combination with a generating-chamber provided with a carbid inlet and outlet, of a carrier- Wheel arranged above said chamber, a series of vertical rods movable with said wheel and each provided with a carrier carrying a carbid-receptacle, a segment-shaped track on which the lower ends of therods-are arranged to travel, a gasometer in communication with the generatingchamber, a shaft revoluble ing a tank and a bodily-movable hood partially submerged therein, of a carbid-carrier carrying a carbid-receptacle, means for 10wering said carrier and receptacle into the tank below the lower edge of the hood, and means for bodily moving the hood to cause the carbid-receptacle to be introduced within the hood.

32. In an acetylene-gas generator, the combination with a generating-chamber comprising a tank and a bodily-movable hood partially submerged therein, of a carbidecarrier, and means for lowering said carrier into the tank below the lower edge of the hood, said carrier acting to move the hood bodily to cause the carbid-receptacle to be introduced therein. a

In testimony whereof I have hereunto set my hand in presence of two subscribing witnesses.

CLARENCE M. KEMP.

Witnesses:

J. O. MARTIEN, O. P. HERSBEY. 

